Will Paginate pagination helper

```ruby module ApplicationHelper def paginate(collection) if collection.previous_page && !collection.next_page will_paginate collection, :page_links => true, :next_label => "", :prev_label => "« Previous" elsif collection.next_page && !collection.previous_page will_paginate collection, :page_links => true, :next_label => "Next »", :prev_label => "" else will_paginate collection, :page_links => true, :next_label => "Next »", :prev_label => "« Previous" end end end ```